eF-site ID 5m1k-AB PDB Code 5m1k Chain A, B click to enlarge Title Crystal structure of the large terminase nuclease from thermophilic phage G20c with bound Magnesium Classification VIRAL PROTEIN Compound Phage terminase large subunit Source (5M1K) Sequence A:  PAMNSVFSGLDMLILLPYERRGTRLVVEDYRPDHIYCIGA DFGKNQDYSVFSVLDLDTGAIACLERMNGATWSDQVARLK ALSEDYGHAYVVADTWGVGDAIAEELDAQGINYTPLPVKS SSVKEQLISNLALLMEKGQVAVPNDKTILDELRNFRYYRT ASGNQVMRAYGRGHDDIVMSLALAYSQYE B:  PAMNSVFSGLDMLILLPYERRGTRLVVEDYRPDHIYCIGA DFGKNQDYSVFSVLDLDTGAIACLERMNGATWSDQVARLK ALSEDYGHAYVVADTWGVGDAIAEELDAQGINYTPLPVKS SSVKEQLISNLALLMEKGQVAVPNDKTILDELRNFRYYRT ASGNQVMRAYGRGHDDIVMSLALAYSQYE Description (1)  Large terminase protein Functional site 1) chain A residue 257 type sequence N description binding site for residue SO4 A 501 source : AC1 2) chain A residue 409 type sequence R description binding site for residue SO4 A 501 source : AC1 3) chain A residue 411 type sequence Y description binding site for residue SO4 A 501 source : AC1 4) chain B residue 294 type sequence D description binding site for residue MG B 501 source : AC2 5) chain B residue 429 type sequence D description binding site for residue MG B 501 source : AC2 6) chain B residue 257 type sequence N description binding site for residue SO4 B 502 source : AC3 7) chain B residue 409 type sequence R description binding site for residue SO4 B 502 source : AC3 8) chain B residue 411 type sequence Y description binding site for residue SO4 B 502 source : AC3 9) chain B residue 421 type sequence R description binding site for residue SO4 B 502 source : AC3 10) chain B residue 423 type sequence Y description binding site for residue SO4 B 502 source : AC3 11) chain B residue 424 type sequence G description binding site for residue SO4 B 502 source : AC3 12) chain B residue 378 type sequence E description binding site for residue BTB B 503 source : AC4 13) chain B residue 382 type sequence S description binding site for residue BTB B 503 source : AC4 14) chain B residue 418 type sequence Q description binding site for residue BTB B 503 source : AC4 15) chain A residue 294 type BINDING sequence D description BINDING => ECO:0000269|PubMed:28100693 source Swiss-Prot : SWS_FT_FI1 16) chain A residue 347 type BINDING sequence D description BINDING => ECO:0000269|PubMed:28100693 source Swiss-Prot : SWS_FT_FI1 17) chain A residue 429 type BINDING sequence D description BINDING => ECO:0000269|PubMed:28100693 source Swiss-Prot : SWS_FT_FI1 18) chain B residue 294 type BINDING sequence D description BINDING => ECO:0000269|PubMed:28100693 source Swiss-Prot : SWS_FT_FI1 19) chain B residue 347 type BINDING sequence D description BINDING => ECO:0000269|PubMed:28100693 source Swiss-Prot : SWS_FT_FI1 20) chain B residue 429 type BINDING sequence D description BINDING => ECO:0000269|PubMed:28100693 source Swiss-Prot : SWS_FT_FI1 21) chain A residue 300 type SITE sequence D description Modulates nuclease activity => ECO:0000255|HAMAP-Rule:MF_04146 source Swiss-Prot : SWS_FT_FI2 22) chain B residue 300 type SITE sequence D description Modulates nuclease activity => ECO:0000255|HAMAP-Rule:MF_04146 source Swiss-Prot : SWS_FT_FI2 23) chain A residue 428 type SITE sequence D description Possible stabilization of Magnesium 1 => ECO:0000269|PubMed:28100693 source Swiss-Prot : SWS_FT_FI3 24) chain B residue 428 type SITE sequence D description Possible stabilization of Magnesium 1 => ECO:0000269|PubMed:28100693 source Swiss-Prot : SWS_FT_FI3

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